238-4462 Hydraulic Cylinder Seal Kit 2384462 for Caterpillar Engine Excavator Backhoe Loader 414E 416C 436C Travel Motor Grader 12G 160G 140G 130G 120H 140H 160G 160K
238-4462 Final Drive Seal Kit for Caterpillar Backhoe Loader 414E 416C 436C Excavators 330D/336D – OEM-Spec Travel Motor Sealing Solution
Product Overview
The 238-4462 Seal Kit is a Caterpillar-approved repair set designed for the final drive travel motors of Cat Backhoe Loader 414E 416C 436C, 330D, 330D L, and 336D excavators. This kit ensures reliable sealing against dirt, water, and oil leaks in heavy-duty undercarriage systems, restoring factory performance for excavation and mining applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Compatible Models | Cat Backhoe Loader 414E 416C 436C, Excavators 330D, 330D L, 336D |
| Application | Final Drive Travel Motor Shaft Seals, Housing Gaskets, and Bearing Seals |
| Pressure Range | 0–25 MPa (3,626 PSI) – Matches Cat final drive operating standards |
| Temperature Tolerance | -30°C to +110°C (-22°F to +230°F) |
| Primary Seal Material | Hydrogenated Nitrile (HNBR) – Resists wear and oil degradation |
| Secondary Seals | Fluoroelastomer (FKM) Wiper Seals, PTFE Backup Rings |
| Certifications | ISO 6194 (Rotary Shaft Seals), Caterpillar® 3N-7371 Compliance |
Kit Components & Functions
| Component | Function |
|---|---|
| Shaft Seal (HNBR) | Double-lip rotary seal prevents oil leakage from the drive shaft. |
| Wiper Seal (FKM) | Excludes mud, grit, and water from the final drive housing. |
| O-Rings (HNBR) | Static seals for gear case and bearing housing connections. |
| Backup Rings (PTFE) | Reinforces primary seals against pressure-induced extrusion. |
| Bearing Seal (FKM) | Isolates tapered roller bearings from contaminants. |
| Gasket (Fiber-Reinforced NBR) | Seals final drive housing interface; resists compression set. |
| Grease Seal (PU) | Polyurethane seal retains lubricant in pivot joints. |
Key Features & Benefits
✅ OEM Interchangeability: Direct replacement for Cat part numbers 172-7463 and 224-4009.
✅ Extended Service Life: HNBR seals resist abrasive particles common in mining/quarry operations.
✅ Water Ingress Protection: Triple-layered wiper design meets IP69K dust/water resistance standards.
✅ High-Viscosity Oil Compatibility: Works with Cat TDTO 50 and ISO 680 gear oils.
✅ Global Compliance: Adheres to EU Regulation No. 1907/2006 (REACH) for chemical safety.
Products categories
-
233-2622 Hydraulic Swing Cylinder Seal Kit 2332622 for Caterpillar Excavator Backhoe Loader E180 446B 525B 950F 416D 416E 420D
-
223-5944 Hydraulic Cylinder Seal Kit 2235944 for Caterpillar Loader Backhoe Bucket Excavator CAT 420D 430D 430E Repair
-
111-3302 Steering Swing Hydraulic Cylinder Seal Kit 1113302 for Backhoe Loader Excavator CAT 416C/416D/420D/428D/432D/416F/432E/442E/420E/434E/422E/444E/428E/420F/430E/426B/426C/428B/428C/432C, Dozer D5H/D5TSKH/D6M
-
233-9205 Hydraulic Cylinder Seal Kit 2339205 for Caterpillar Backhoe Loaders Cat 120K 120M 140G 140H 160H 160M 12H 12M 140M 14H 14M 16H 16M+